US Patent Issued to SOUTHWEST RESEARCH INSTITUTE on Nov. 3 for "Dual hermetically sealed rising stem valve" (Minnesota Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,877, issued on Nov. 3, was assigned to SOUTHWEST RESEARCH INSTITUTE (San Antonio).

"Dual hermetically sealed rising stem valve" was invented by Christopher Jowers (Robbinsdale, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rising stem valve having a valve operator, a valve stem, a rotary-to-linear strain wave gear set, a first hermetic seal, and a second hermetic seal. The rotary-to-linear strain wave gear set may have a rotary input driven by rotation of the valve operator and a linear output which translates linear motion to the valve stem. The first hermetic seal may be arranged between the valve operator and the rotary-to linear strain w...